<table style="display:none">
      <tr id="default_tr1">
        <td class="col-sm-2" ><input type="text" value="" class="form-control" name="attr_title[sort_id]" ></td>
        
        <td class="col-sm-8" ><input type="text" value="" class="form-control" name="extra[sort_id]"></td>
        <td class="col-sm-2">
        <input type="hidden" value="" name="value[sort_id]" class="value">
        <input type="hidden" value="" name="remark[sort_id]" class="remark">
        <a href="javascript:void(0);" onclick="move_up(this)" class="move_up">↑</a>&nbsp;&nbsp;&nbsp;<a href="javascript:void(0);" onclick="move_down(this)" class="move_down">向下</a>&nbsp;&nbsp;&nbsp;
        <a href="javascript:void(0);" onclick="remove_tr(this)">删除</a>
        </td>
      </tr>
      <tr id="default_tr2">
        <td><a href="javascript:void(0);" onclick="remove_tr(this)">删除</a></td>
      </tr>  
    
  </table>

